く	わ
加

わ

る

Godan verb, intransitive verb

1. to be added to, to be appended.
2. to join in (e.g. a group of friends), to participate.
3. to increase (e.g. heat), to gain in (e.g. influence), to grow, to gather (speed).
4. to be applied (e.g. heat, pressure), to be exerted.